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| 1 | /* | ||
| 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 3 | * | ||
| 4 | * This code is free software; you can redistribute it and/or modify it | ||
| 5 | * under the terms of the GNU General Public License version 2 only, as | ||
| 6 | * published by the Free Software Foundation. Oracle designates this | ||
| 7 | * particular file as subject to the "Classpath" exception as provided | ||
| 8 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 9 | * | ||
| 10 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 13 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 14 | * accompanied this code). | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License version | ||
| 17 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 19 | * | ||
| 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 21 | * or visit www.oracle.com if you need additional information or have any | ||
| 22 | * questions. | ||
| 23 | */ | ||
| 24 | |||
| 25 | /* | ||
| 26 | * (C) Copyright IBM Corp. 1999 All Rights Reserved. | ||
| 27 | * Copyright 1997 The Open Group Research Institute. All rights reserved. | ||
| 28 | */ | ||
| 29 | |||
| 30 | package sun.security.krb5.internal; | ||
| 31 | |||
| 32 | import sun.security.util.*; | ||
| 33 | import java.io.IOException; | ||
| 34 | import sun.security.krb5.Asn1Exception; | ||
| 35 | import sun.security.krb5.internal.ccache.CCacheOutputStream; | ||
| 36 | |||
| 37 | public class AuthorizationDataEntry implements Cloneable { | ||
| 38 | |||
| 39 | public int adType; | ||
| 40 | public byte[] adData; | ||
| 41 | |||
| 42 | private AuthorizationDataEntry() { | ||
| 43 | } | ||
| 44 | |||
| 45 | public AuthorizationDataEntry( | ||
| 46 | int new_adType, | ||
| 47 | byte[] new_adData) { | ||
| 48 | adType = new_adType; | ||
| 49 | adData = new_adData; | ||
| 50 | } | ||
| 51 | |||
| 52 | public Object clone() { | ||
| 53 | AuthorizationDataEntry new_authorizationDataEntry = | ||
| 54 | new AuthorizationDataEntry(); | ||
| 55 | new_authorizationDataEntry.adType = adType; | ||
| 56 | if (adData != null) { | ||
| 57 | new_authorizationDataEntry.adData = new byte[adData.length]; | ||
| 58 | System.arraycopy(adData, 0, | ||
| 59 | new_authorizationDataEntry.adData, 0, adData.length); | ||
| 60 | } | ||
| 61 | return new_authorizationDataEntry; | ||
| 62 | } | ||
| 63 | |||
| 64 | /** | ||
| 65 | * Constructs an instance of AuthorizationDataEntry. | ||
| 66 | * @param encoding a single DER-encoded value. | ||
| 67 | */ | ||
| 68 | public AuthorizationDataEntry(DerValue encoding) throws Asn1Exception, IOException { | ||
| 69 | DerValue der; | ||
| 70 | if (encoding.getTag() != DerValue.tag_Sequence) { | ||
| 71 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); | ||
| 72 | } | ||
| 73 | der = encoding.getData().getDerValue(); | ||
| 74 | if ((der.getTag() & (byte) 0x1F) == (byte) 0x00) { | ||
| 75 | adType = der.getData().getBigInteger().intValue(); | ||
| 76 | } else { | ||
| 77 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); | ||
| 78 | } | ||
| 79 | der = encoding.getData().getDerValue(); | ||
| 80 | if ((der.getTag() & (byte) 0x1F) == (byte) 0x01) { | ||
| 81 | adData = der.getData().getOctetString(); | ||
| 82 | } else { | ||
| 83 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); | ||
| 84 | } | ||
| 85 | if (encoding.getData().available() > 0) { | ||
| 86 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); | ||
| 87 | } | ||
| 88 | } | ||
| 89 | |||
| 90 | /** | ||
| 91 | * Encodes an AuthorizationDataEntry object. | ||
| 92 | * @return byte array of encoded AuthorizationDataEntry object. | ||
| 93 | * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. | ||
| 94 | * @exception IOException if an I/O error occurs while reading encoded data. | ||
| 95 | */ | ||
| 96 | public byte[] asn1Encode() throws Asn1Exception, IOException { | ||
| 97 | DerOutputStream bytes = new DerOutputStream(); | ||
| 98 | DerOutputStream temp = new DerOutputStream(); | ||
| 99 | temp.putInteger(adType); | ||
| 100 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), temp); | ||
| 101 | temp = new DerOutputStream(); | ||
| 102 | temp.putOctetString(adData); | ||
| 103 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), temp); | ||
| 104 | temp = new DerOutputStream(); | ||
| 105 | temp.write(DerValue.tag_Sequence, bytes); | ||
| 106 | return temp.toByteArray(); | ||
| 107 | } | ||
| 108 | |||
| 109 | /** | ||
| 110 | * Writes the entry's data fields in FCC format to an output stream. | ||
| 111 | * | ||
| 112 | * @param cos a <code>CCacheOutputStream</code>. | ||
| 113 | * @exception IOException if an I/O exception occurs. | ||
| 114 | */ | ||
| 115 | public void writeEntry(CCacheOutputStream cos) throws IOException { | ||
| 116 | cos.write16(adType); | ||
| 117 | cos.write32(adData.length); | ||
| 118 | cos.write(adData, 0, adData.length); | ||
| 119 | } | ||
| 120 | |||
| 121 | public String toString() { | ||
| 122 | return ("adType=" + adType + " adData.length=" + adData.length); | ||
| 123 | } | ||
| 124 | } | ||